Window frame and sash construction



Aug. 2, 1927. 1,637,733

H. E. CAMPBELL WINDOW FRAME AND SA'SH CONSTRUCTION Filed Nov. 2 1926 3$heetsSheet l.

lEillii 1371i.

I N VEN TOR /%EE E (39/14/ 455 CAM/34AM A TTORNEY WITNESS:

ug H. E. CAMPBELL WINDOW FRAME AND SASH CONSTRUCTION Filed Nov.'2, 19263 Sheets-Shoot 2 INVENTOR. l- /lEzy f (hm/355 4 BY ATTORNEYS 3Sheets-stint 3' H. E. CAMPB ELL WINDOW FRMEAND SASH CONSTRUCTION Fi ledNov. 2, 1926 Aug. 2, 1927.

INVENTOR. fi eerf QMPBEZL A TTORNEYS Patented Aug. 2, 1927.

TATES 1,333,733 PATENT @FFECE.

HARRY E. CAMPBELL, 0F BALTIMORE, MARYLAND, ASSIGNOR T0 CAMPBELL METALWINDOW CORPORATION, OF BALTIMORE, MARYLAND, A CQRPORATION 0F MARY- LAND.

WINDOW FRAME AND SASH CONSTRUCTION.

Application filed November 2, 1926. Serial No. 145,759.

According to the present invention I produce a window which is easy'tooperate and exceedingly tight, by providing two openings through theupper portion of the weight box wall which permit portions of the sashesto extend into the weight box for the attachment of the weight chains;but I close these openings below the center of the window so that nocold air can enter the jamb below the bottom-of the upper sash and workits way through chain holes or other openings into the room. It isnecessary that guide channels be provided to control the movement of thesashes at the bottom of the window and for the sake of appearances thesame guiding channels are made to extend the full height of the sash andpreferably are provided by constructing the inner jamb wall withopenings leading through it into enlarged chambers, from the upper backportion of which the second openings lead into the weight box.Theseenlarged chambers may be provided with stops of felt or the like atthe center of the window to prevent air from passing up or down aroundthe edges of the sashes. My invention can be readily understood from theillustrative example which I will describe, which also illustrates someimproved details of construction. F

In the accompanying drawings, Fig. 1 is a vertical section through themiddle of a window embodying my invention; Fig. 2 is a view of thewindow from the inside of the room with a part of the casing brokenaway; Fig. 3 is a section on line 33 of Fig. 1; Fig. 4 is a section online 4-4 of Fig. 1; Fig. 5 is a top view of a portion of the lower sash;Fig. 6 is a front view of the same; Fig. 7 is a top view of a portion ofthe 'upper sash; Fig. 8 is a front view of the same; Fig. 9 is asectional detail taken on line 9-9 of Fig. 10; Fig. 10 is a detail viewof the middle portion of the jamb'face; Fig. ll is a side view of a formof rubbing block which I may use; Fig. 12 is a face view of the same;Fig. 13 is a sectional detail of the upper sash and lintel; Fig. 14 is asectional detail of the lower sash and sill, and Fig. 15 shows amodified form of certain details. I I

Each jamb comprises a box member 10 which forms a portion of the innerface of the jamb at 12 and has an inwardly projecting portion 14. Amember 16 forms a portion of the inner face of the jamb has an inwardlyextending portion 18and also forms the weight separator 20.

Between the inwardly extendingportions l4 and 18 is positioned a lowerbatlle member 22 which has portions 24 and 26 extending back of portions12 of member 10 and back of member 16 respectively. The ends of theseportions may, if desired, be bent toward the rear wall of the jamb tostiffen this member. The upper portion of the bathe consists of a box ortube shaped member 28.

As shown in Figs. 9 and 10, a plate 30 extends behind the inner jambwall half way up the window. Portion 26 of member 22 is cut away so thatit extends only about half way up through member 30 and member 30 has aslot 32 coming down to the top of said portion 26. If the edge ofportion 26 is to be bent toward the rear wali of the jamb, the bent-backportion should be cutaway to pass under member 30 is indicated at 34.The member 30 is wide enough so that the lower portion of member 28 canbe attached to it.

It will be seen from the foregoing that each jamb consists of a tubularside member having closed grooves or channels formed in its inner faceup to the middle of the window and having slots above the middle of thewindow which run back into the weight chamber.

The upper sash 36 is provided with a plate 38 adapted to extend into thegroove between member 22 and portion 14 of member 10 from which extendsa chain attachment hook 40 which is adapted to pass through one of theopenings in the upper portionof the jamb into the weight chamber.Immediately above the chain hook 40. is a hooksha d portion 42 adaptedto engage the rea face of portion 12 of member 10 to limit transversemovement of the sash. The upper ash can be moved downward until chainhook it) strikes the upper edge of plate 30.

The lower sash 43' has a plate 44 upon which is a hook shaped portion 48adapted to enga e the rear face of tubular member 28 to imit transversemovement of the lower sash. As the lower sash is moved downward, chainhook 46 will pass into the pad 78 shown Fig" 15.

extending lug 50 which will limit upward movement of the lower sash bystrilnng against the lower face of the lintel.

Members 22 and 28 are connected on their inner face by a rubbing block,which in the present embodiment comprises two Wedge shaped members 52and 54" These members are provided with slots to receive screws 56 andthe effective thickness of the blocl; may be varied by moving the Wedgeshaped members relatively to each other;

The lintel comprises two members 58 and '51) between which is formed enopening to receive the upper edge of the upper In this opening itprovide a bent zine strip 62 as shown in detail in Fig" 13 to serve topreventair leakage at this point. Upward limit of movement of the uppersash is fined by an angle member tel which is slotted to receive thescrews by Whici it is attached to the upper sash.

The sill 56 has a horizontal portion 68, stop Y0, ana slanting portion 12 Attached to the that portion a spring member it which is adapted tocontact "with the face of the lower sash st ll, The sill constructionherein described is not claimed. in the present application but isclaimed my copending application, Sen No. 165,526, filed February 3,1927.

in order to prevent air from leaking into the Weight chamber the uppersash is pro vided with a weather-stop T6 (see if desired, this may becombined with a felt in this figure memes the use of felt padding inconnection with the lower sash is also shown.

"What I claim is:

1. In a Window-frame and sash construction, tubular side members formingWeight boxes, two vertical openings in each of said members extendingdown about half Way from the top, channels formed in the inner Wall ofeach of said members connecting with said openings and continuing theline thereof to the bottom of said members and sashes adapted to slidein said channels having weight attaching portions extending through saidopenings.

2. A device as specified in claim 1 further characterized by the factthat one side of the channel for the upper sash is formed by a memberextendingin from the inner face of the tubular side member and the uppersash is provided with a Weather stop adapted to embrace the same.

3. A device as specified in claim 1 further characterized by the factthat one side of the channel for the upper sash is formed by a memberextending in from the inner face oi the tubular side member, and theupper sash is provided with a. Weather stop which embraces a felt padand also embraces said channel member.

t. A device as specified in claim 1 in which the channels are in theform of en larged chambers having restricted openings leading; throughthe inner jamb Wall.

HARRY @AMPBELL.

